Example usage for org.eclipse.swt.widgets Display readAndDispatch

Introduction

In this page you can find the example usage for org.eclipse.swt.widgets Display readAndDispatch.

Prototype

public boolean readAndDispatch()

Source Link

Document

Reads an event from the event queue, dispatches it appropriately, and returns true if there is potentially more work to do, or false if the caller can sleep until another event is placed on the event queue.

Usage

From source file:SWTGridLayout.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setSize(300, 200);/* w  ww.ja  v a 2 s  .  c  o m*/
    shell.setLayout(new RowLayout());

    final Composite composite = new Composite(shell, SWT.NONE);
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 4;
    composite.setLayout(gridLayout);

    for (int loopIndex = 0; loopIndex < 18; loopIndex++) {
        Button button = new Button(composite, SWT.PUSH);
        button.setText("Button " + loopIndex);
    }

    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:CoolBarToolBar.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    CoolBar coolBar = new CoolBar(shell, SWT.BORDER);
    coolBar.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    final CoolItem item = new CoolItem(coolBar, SWT.DROP_DOWN);
    item.setControl(createToolBar(coolBar));

    Control control = item.getControl();
    Point pt = control.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    pt = item.computeSize(pt.x, pt.y);// w  ww  .  j a  v  a2s . co  m
    item.setSize(pt);

    coolBar.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:StyledTextVerifyListenerEventInforation.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);

    StyledText styledText = new StyledText(shell, SWT.V_SCROLL | SWT.BORDER);
    styledText.setText("12345");

    styledText.addVerifyListener(new VerifyListener() {
        public void verifyText(VerifyEvent event) {
            System.out.println(event.start);
            System.out.println(event.end);
            System.out.println(event.text);
        }/* ww  w.  j  ava2 s  . c om*/
    });

    styledText.setBounds(10, 10, 100, 100);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

From source file:TreeNodeCheckBoxAdd.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Tree tree = new Tree(shell, SWT.CHECK | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    for (int i = 0; i < 12; i++) {
        TreeItem item = new TreeItem(tree, SWT.NONE);
        item.setText("Item " + i);
        for (int l = 0; l < 12; l++) {
            TreeItem litem = new TreeItem(item, SWT.NONE);
            litem.setText("Item " + i);
        }// www.  ja  va 2  s .co  m

    }
    tree.setSize(100, 100);

    shell.setSize(200, 200);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:Snippet108.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Label label = new Label(shell, SWT.NONE);
    label.setText("Enter your name:");
    Text text = new Text(shell, SWT.BORDER);
    text.setLayoutData(new RowData(100, SWT.DEFAULT));
    Button ok = new Button(shell, SWT.PUSH);
    ok.setText("Ok");
    Button cancel = new Button(shell, SWT.PUSH);
    cancel.setText("Cancel");
    shell.setDefaultButton(cancel);// w w  w  .  java  2  s.  c  o m
    shell.setLayout(new RowLayout());
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:TextStrikeout.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("StyledText with underline and strike through");
    shell.setLayout(new FillLayout());
    StyledText text = new StyledText(shell, SWT.BORDER);
    text.setText("0123456789 ABCDEFGHIJKLM NOPQRSTUVWXYZ");

    // make 0123456789 appear strikeout
    StyleRange style1 = new StyleRange();
    style1.start = 0;//  w w w . ja  v a2 s .c  o m
    style1.length = 10;
    style1.strikeout = true;
    text.setStyleRange(style1);

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:TextUnderlined.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("StyledText with underline and strike through");
    shell.setLayout(new FillLayout());
    StyledText text = new StyledText(shell, SWT.BORDER);
    text.setText("0123456789 ABCDEFGHIJKLM NOPQRSTUVWXYZ");

    // make 0123456789 appear underlined
    StyleRange style1 = new StyleRange();
    style1.start = 0;//w w  w .  j ava2 s  .  c  o m
    style1.length = 10;
    style1.underline = true;
    text.setStyleRange(style1);

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:GCFromEvent.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Canvas Example");
    shell.setLayout(new FillLayout());

    Canvas canvas = new Canvas(shell, SWT.NONE);

    canvas.addPaintListener(new PaintListener() {
        public void paintControl(PaintEvent e) {
            e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_RED));
            e.gc.drawFocus(5, 5, 200, 10);
            e.gc.drawText("You can draw text directly on a canvas", 60, 60);
        }/* ww w  .  j a  v a  2 s .com*/
    });

    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet261.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Excel Example");
    shell.setLayout(new FillLayout());
    try {/*from w  w  w.j ava  2 s . c  o  m*/
        OleFrame frame = new OleFrame(shell, SWT.NONE);
        new OleClientSite(frame, SWT.NONE, "Excel.Sheet");
        addFileMenu(frame);
    } catch (SWTError e) {
        System.out.println("Unable to open activeX control");
        display.dispose();
        return;
    }
    shell.setSize(800, 600);
    shell.open();

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:BrowserCloseWindowListener.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);

    Browser browser = new Browser(shell, SWT.NONE);
    browser.setBounds(5, 5, 600, 600);//from ww w .jav a 2  s . co m

    browser.addCloseWindowListener(new CloseWindowListener() {
        public void close(WindowEvent event) {
            System.out.println("closing");
            Browser browser = (Browser) event.widget;
            Shell shell = browser.getShell();
            shell.close();
        }
    });

    browser.setUrl("http://java2s.com");
    shell.open();

    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}